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461 Commits

Author SHA1 Message Date
Brian Gaeke
b964085c4c Fix a comment. 
llvm-svn: 13518
 2004-05-12 21:57:23 +00:00
Brian Gaeke
0315644cd7 Add a NextMBBNumber field w/ incrementing accessor method, for 
function-level unique numbering of MBBs.

llvm-svn: 13513
 2004-05-12 21:35:21 +00:00
Brian Gaeke
a0d9f814da Add a Number field w/ accessor method, for function-level unique numbering 
of MBBs.

Add non-const MachineBasicBlock::getParent() accessor method.

llvm-svn: 13512
 2004-05-12 21:35:20 +00:00
Tanya Lattner
c69bb49340 Fixed up sched graph. 
llvm-svn: 13428
 2004-05-08 16:14:24 +00:00
Tanya Lattner
9b4ee61855 Registering the ModuloScheduling pass. 
llvm-svn: 13427
 2004-05-08 16:14:02 +00:00
Brian Gaeke
397162e886 Chris told me to take these assertions out a few days ago, but I forgot to 
check this in.

llvm-svn: 13313
 2004-05-02 01:04:52 +00:00
Chris Lattner
dd7eb23ccf Stop LiveVariables from using BasicBlocks as part of the mapping, instead 
use MachineBasicBlocks.

llvm-svn: 13300
 2004-05-01 21:23:35 +00:00
Chris Lattner
939685e14b Move the GraphTraits for MachineBasicBlocks to the MachineBasicBlock file. 
llvm-svn: 13299
 2004-05-01 21:05:34 +00:00
Brian Gaeke
8e3668faca Add pred./succ. list size methods. 
llvm-svn: 13214
 2004-04-28 04:46:35 +00:00
Brian Gaeke
369fa0ed81 Move private methods to end of class decl at Chris's request 
llvm-svn: 13210
 2004-04-28 04:15:06 +00:00
Brian Gaeke
d63179c70b Fix thinkos that Chris caught for me. 
Make pred mutators private.

llvm-svn: 13209
 2004-04-28 03:59:48 +00:00
Brian Gaeke
213538a039 Add machine-code CFG support: MachineBasicBlocks may now have their own 
predecessors and successors

llvm-svn: 13208
 2004-04-28 02:16:33 +00:00
Brian Gaeke
2f5697a29f Add emitWordAt() - a quick and dirty interface that the machine-dependent 
emitters can use to emit "relocations".

llvm-svn: 13116
 2004-04-23 17:11:12 +00:00
Brian Gaeke
2a087ad673 Include <string> for compatibility with gcc 3.0.x (the system compiler on 
Debian.)

llvm-svn: 12985
 2004-04-16 15:57:14 +00:00
Brian Gaeke
95213bd702 This file does not appear to be included anywhere. 
llvm-svn: 12777
 2004-04-08 19:36:26 +00:00
Brian Gaeke
14dadd43e1 This file is no longer used. 
llvm-svn: 12767
 2004-04-07 21:01:22 +00:00
Chris Lattner
c241db65d6 Allow converting a builder to an iterator 
llvm-svn: 12586
 2004-04-01 04:03:10 +00:00
Brian Gaeke
e7f4f73f67 Add clear() forwarding method. 
llvm-svn: 12580
 2004-03-31 22:43:12 +00:00
Chris Lattner
3f24ea6ccf MachineBasicBlock::remove should not change the iterator passed into it 
llvm-svn: 12569
 2004-03-31 21:58:50 +00:00
Alkis Evlogimenos
64aa7f3708 Fix bug introduced by yesterday's changes. 
llvm-svn: 12119
 2004-03-04 18:02:07 +00:00
Brian Gaeke
aa96ff7926 Make MachineOperand's value named 'contents'. Make really, really sure 
it is always completely initialized and copied.
Also, fix up many comments and asserts.

llvm-svn: 12100
 2004-03-03 19:07:27 +00:00
Chris Lattner
4c7ed6793e Remove public header. It's been moved to lib/Target/SparcV9 
llvm-svn: 12004
 2004-02-29 19:13:20 +00:00
Chris Lattner
df24575c31 Do not use explicit casts that hide the dependence on Instruction being 
annotable

llvm-svn: 12000
 2004-02-29 19:02:26 +00:00
Chris Lattner
768b31fc77 Remove unneeded #include 
llvm-svn: 11978
 2004-02-29 05:15:56 +00:00
Chris Lattner
34977159b3 Continue Alkis's int64_t cleanup. This makes all of the immediate related 
methods take an int or unsigned value instead of int64_t.

Also, add an 'addImm' method to the MachineInstrBuilder class, because the
fact that the hardware sign or zero extends it does not/should not matter
to the code generator.  Once the old sparc backend is removed the difference
can be eliminated.

llvm-svn: 11976
 2004-02-29 05:06:49 +00:00
Chris Lattner
85dd74a158 Add BuildMI variants that take a MBB::iterator 
llvm-svn: 11975
 2004-02-29 04:55:28 +00:00
Alkis Evlogimenos
5193c08a8a Make MachineOperand's immediate value an int and save 4 bytes out of 
each MachineOperand. We don't really need an int64_t immediate :-).

llvm-svn: 11906
 2004-02-27 15:05:28 +00:00
Alkis Evlogimenos
f1516015af Add DenseMap template and actually use it for for mapping virtual regs 
to objects.

llvm-svn: 11840
 2004-02-25 21:55:45 +00:00
Brian Gaeke
eae0364189 FunctionLiveVarInfo.h moved: include/llvm/CodeGen -> lib/Target/Sparc/LiveVar 
llvm-svn: 11804
 2004-02-24 19:46:00 +00:00
Alkis Evlogimenos
9b103024ef Refactor rewinding code for finding the first terminator of a basic 
block into MachineBasicBlock::getFirstTerminator().

This also fixes a bug in the implementation of the above in both
RegAllocLocal and InstrSched, where instructions where added after the
terminator if the basic block's only instruction was a terminator (it
shouldn't matter for RegAllocLocal since this case never occurs in
practice).

llvm-svn: 11748
 2004-02-23 18:14:48 +00:00
Alkis Evlogimenos
850bd0819f Move LiveIntervals.h to lib/CodeGen since it shouldn't be exposed to other parts of the compiler 
llvm-svn: 11719
 2004-02-23 00:50:15 +00:00
Alkis Evlogimenos
7f7d70a53c Move MOTy::UseType enum into MachineOperand. This eliminates the 
switch statements in the constructors and simplifies the
implementation of the getUseType() member function. You will have to
specify defs using MachineOperand::Def instead of MOTy::Def though
(similarly for Use and UseAndDef).

llvm-svn: 11715
 2004-02-22 19:23:26 +00:00
Alkis Evlogimenos
abc8efe386 Fix silly bug in implementation of getUseType(). Thanks Misha. 
llvm-svn: 11711
 2004-02-22 07:24:19 +00:00
Alkis Evlogimenos
6998610eda When folding memory operands in machine instructions be careful to 
leave register operands with the same use/def flags as the original
instruction.

llvm-svn: 11709
 2004-02-22 06:54:26 +00:00
Alkis Evlogimenos
32d12d31ae Abstract merging of ranges away from number of slots per instruction. 
Also make it less aggressive as the current implementation breaks in
some cases.

llvm-svn: 11696
 2004-02-22 04:05:13 +00:00
Alkis Evlogimenos
f32239a5c6 Too many changes in one commit: 
1. LiveIntervals now implement a 4 slot per instruction model. Load,
   Use, Def and a Store slot. This is required in order to correctly
   represent caller saved register clobbering on function calls,
   register reuse in the same instruction (def resues last use) and
   also spill code added later by the allocator. The previous
   representation (2 slots per instruction) was insufficient and as a
   result was causing subtle bugs.

2. Fixes in spill code generation. This was the major cause of
   failures in the test suite.

3. Linear scan now has core support for folding memory operands. This
   is untested and not enabled (the live interval update function does
   not attempt to fold loads/stores in instructions).

4. Lots of improvements in the debugging output of both live intervals
   and linear scan. Give it a try... it is beautiful :-)

In summary the above fixes all the issues with the recent reserved
register elimination changes and get the allocator very close to the
next big step: folding memory operands.

llvm-svn: 11654
 2004-02-20 06:15:40 +00:00
Chris Lattner
6c338f7627 ADd a method for when an instruction moves 
llvm-svn: 11626
 2004-02-19 18:28:22 +00:00
Chris Lattner
436ab13009 Add a MachineBasicBlock::getParent() method 
llvm-svn: 11622
 2004-02-19 16:13:54 +00:00
Alkis Evlogimenos
d4fd43dee8 Move unused typedefs in private section. Add method to return interval 
given a register.

llvm-svn: 11608
 2004-02-18 23:14:52 +00:00
Chris Lattner
34f3bce70c eliminate a pair of really inefficient methods now that noone uses them 
llvm-svn: 11579
 2004-02-18 16:45:22 +00:00
Alkis Evlogimenos
a479dc4715 Add LiveIntervals::Interval::empty() member function. 
llvm-svn: 11520
 2004-02-17 05:14:37 +00:00
Alkis Evlogimenos
790b000aa7 Add LeakDetection to MachineInstr. 
Move out of line member functions of MachineBasicBlock to
MachineBasicBlock.cpp.

llvm-svn: 11497
 2004-02-16 07:17:43 +00:00
Alkis Evlogimenos
1026a01d5a Eliminate the use of spill (reserved) registers. 
llvm-svn: 11476
 2004-02-15 10:24:21 +00:00
Chris Lattner
bbe538e930 finegrainify namespacification 
llvm-svn: 11469
 2004-02-15 05:52:36 +00:00
Alkis Evlogimenos
6d6ab846af Remove getAllocatedRegNum(). Use getReg() instead. 
llvm-svn: 11393
 2004-02-13 21:01:20 +00:00
Alkis Evlogimenos
e504fa6710 Mark MachineBasicBlock::operator[] deprecated. 
llvm-svn: 11392
 2004-02-13 20:05:56 +00:00
Alkis Evlogimenos
c109214f58 Add getNumVirtualRegs(). 
Whitespace cleanups.

llvm-svn: 11388
 2004-02-13 18:07:06 +00:00
Brian Gaeke
7707461afa Include <iosfwd>. 
Add prototypes for MachineBasicBlock's dump() and print() methods.

llvm-svn: 11365
 2004-02-13 04:40:15 +00:00
Alkis Evlogimenos
00d97b6a13 Move ilist_trairs<MachineInstr> in MachineBasicBlock. 
llvm-svn: 11358
 2004-02-12 19:12:03 +00:00
Alkis Evlogimenos
3ecdcd18c5 Add parent pointer to MachineInstr that points to owning 
MachineBasicBlock. Also change opcode to a short and numImplicitRefs
to an unsigned char so that overall MachineInstr's size stays the
same.

llvm-svn: 11357
 2004-02-12 18:49:07 +00:00